The fool knows after he has suffered.

It is best to do things systematically, since we are only human, and disorder is our worst enemy.

So the people will pay the penalty for their kings' presumption, who, by devising evil, turn justice from her path with tortuous speech.

And Zeus will destroy this race of mortal men too, when they, at their birth, have grey hair on their temples.

He's only harming himself who's bent upon harming another

For now indeed is the race of iron; and men never cease from labour and sorrow by day and from perishing by night.

Far best is he who is himself all-wise, and he, too, good who listens to wise words; But whoso is not wise or lays to hear another's wisdom is a useless man.